Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5126974 | Sense amplifier for a memory device | Katsuro Sasaki, Koichiro Ishibashi, Shoji Hanamura | 1992-06-30 |
| 5119332 | Semiconductor memory | Hiroo Masuda, Hiroshi Kawamoto | 1992-06-02 |
| 5117393 | Method of testing memory cells in an address multiplexed dynamic RAM including test mode selection | Kazuyuki Miyazawa, Jun Etoh, Katsutaka Kimura | 1992-05-26 |
| 5107141 | BiCMOS logic circuit using 0.5 micron technology and having an operating potential difference of less than 4 volts | Kazuo Yano, Mitsuru Hiraki, Hisayuki Higuchi, Suguru Tachibana, Makoto Suzuki | 1992-04-21 |
| 5047706 | Constant current-constant voltage circuit | Koichiro Ishibashi, Katsuro Sasaki | 1991-09-10 |
| 5041892 | Homo-junction bipolar transistor having high base concentration and suitable for low temperature operation | Kazuo Yano, Masaaki Aoki, Toshiaki Masuhara | 1991-08-20 |
| 5021944 | Semiconductor memory having redundancy circuit for relieving defects | Katsuro Sasaki, Shoji Hanamura | 1991-06-04 |
| 4992677 | High speed MOSFET output buffer with low noise | Koichiro Ishibashi, Osamu Minato | 1991-02-12 |
| 4992985 | Method for selectively initiating/terminating a test mode in an address multiplexed DRAM and address multiplexed DRAM having such a capability | Kazuyuki Miyazawa, Jun Etoh, Katsutaka Kimura | 1991-02-12 |
| 4949145 | Homo-junction bipolar transistor having high base concentration and suitable for low temperature operation | Kazuo Yano, Masaaki Aoki, Toshiaki Masuhara | 1990-08-14 |
| 4930112 | Semiconductor device having a voltage limiter | Hitoshi Tanaka, Ryoichi Hori, Kiyoo Itoh, Katsutaka Kimura | 1990-05-29 |
| 4901128 | Semiconductor memory | Hideo Sunami, Tokuo Kure, Masanobu Miyao, Yoshifumi Kawamoto, Yoshio Sakai +4 more | 1990-02-13 |
| 4894696 | Dynamic random access memory having a trench capacitor | Eiji Takeda, Kiyoo Itoh, Ryoichi Hori, Katsutaka Kimura | 1990-01-16 |
| 4873672 | Dynamic random access memory capable of fast erasing of storage data | Jun Etoh, Kazuyuki Miyazawa, Katsutaka Kimura, Takesada Akiba | 1989-10-10 |
| 4860255 | Semiconductor memory | Hiroo Masuda, Kunihiko Ikuzaki, Hiroshi Kawamoto | 1989-08-22 |
| 4849801 | Semiconductor memory device having increased capacitance for the storing nodes of the memory cells | Shigeru Honjyo, Osamu Minato, Yoshio Sakai, Toshiaki Yamanaka, Toshiaki Masuhara | 1989-07-18 |
| 4811299 | Dynamic RAM device having a separate test mode capability | Kazuyuki Miyazawa, Jun Etoh, Katsutaka Kimura | 1989-03-07 |
| 4805147 | Stacked static random access memory cell having capacitor | Toshiaki Yamanaka, Yoshio Sakai, Tetsuya Hayashida, Osamu Minato, Toshiaki Masuhara | 1989-02-14 |
| 4747082 | Semiconductor memory with automatic refresh means | Osamu Minato, Toshiaki Masuhara, Shoji Hanamura, Shigeru Honjyo, Nobuyuki Moriwaki +1 more | 1988-05-24 |
| 4726021 | Semiconductor memory having error correcting means | Masashi Horiguchi, Masakazu Aoki, Yoshinobu Nakagome, Shinichi Ikenaga | 1988-02-16 |
| 4709350 | Semiconductor memory using multiple level storage structure | Yoshinobu Nakagome, Masakazu Aoki, Masashi Horiguchi, Shinichi Ikenaga | 1987-11-24 |
| 4709353 | Semiconductor memory | Hiroo Masuda, Kunihiko Ikuzaki, Hiroshi Kawamoto | 1987-11-24 |
| 4701884 | Semiconductor memory for serial data access | Masakazu Aoki, Masashi Horiguchi, Yoshinobu Nakagome, Shinichi Ikenaga, Toshiaki Masuhara +3 more | 1987-10-20 |
| 4672586 | Semiconductor memory having circuit effecting refresh on variable cycles | Masaharu Kubo, Katsuki Miyauchi, Toshiaki Masuhara, Osamu Minato | 1987-06-09 |
| 4661929 | Semiconductor memory having multiple level storage structure | Masakazu Aoki, Yoshinobu Nakagome, Masashi Horiguchi, Shinichi Ikenaga | 1987-04-28 |